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Q. No.Given that an electron in an atom moves at 600 m/s with an accuracy of 0.005%, what is the level of certainty in locating its position?
(h = 6.6 × 10–34 kg m2 s–1, mass of electron,
em = 9.1 ×10–31 kg) :
1. 1.52 × 10–4 m
2. 5.10 × 10–3 m
3. 1.92 × 10–3 m
4. 3.84 × 10–3 m
Subtopic: Heisenberg Uncertainty Principle |
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Uncertainty in the position of a moving particle is 10-7 m and uncertainty velocity is 2.4 × 10-24 m/sec, then the mass of a particle is [X] × 10-5 kg.The value of X is:
[Report your answer to the nearest integer]
1. 26
2. 19
3. 28
4. 22
[Report your answer to the nearest integer]
1. 26
2. 19
3. 28
4. 22
Subtopic: Heisenberg Uncertainty Principle |
70%
From NCERT
JEE
Please attempt this question first.
Hints
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Q. No.
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